clearquad uses uniform update instead of vertex update

src/bgfx.cpp

@@ -812,7 +812,7 @@ namespace bgfx
 		{
 			m_decl
 				.begin()
-				.add(Attrib::Position, 3, AttribType::Float)
+				.add(Attrib::Position, 2, AttribType::Float)
 				.end();
 
 			ShaderHandle vsh = createEmbeddedShader(s_embeddedShaders, g_caps.rendererType, "vs_clear");
@@ -830,7 +830,30 @@ namespace bgfx
 
 			destroy(vsh);
 
-			m_vb = s_ctx->createTransientVertexBuffer(4*m_decl.m_stride, &m_decl);
+			struct Vertex
+			{
+				float m_x;
+				float m_y;
+			};
+
+			const uint16_t stride = m_decl.m_stride;
+			const bgfx::Memory* mem = bgfx::alloc(4 * stride);
+			Vertex* vertex = (Vertex*)mem->data;
+			BX_CHECK(stride == sizeof(Vertex), "Stride/Vertex mismatch (stride %d, sizeof(Vertex) %d)", stride, sizeof(Vertex));
+
+			vertex->m_x = -1.0f;
+			vertex->m_y = -1.0f;
+			vertex++;
+			vertex->m_x = 1.0f;
+			vertex->m_y = -1.0f;
+			vertex++;
+			vertex->m_x = -1.0f;
+			vertex->m_y = 1.0f;
+			vertex++;
+			vertex->m_x = 1.0f;
+			vertex->m_y = 1.0f;
+
+			m_vb = s_ctx->createVertexBuffer(mem, m_decl, 0);
 		}
 	}
 
@@ -849,7 +872,7 @@ namespace bgfx
 				}
 			}
 
-			s_ctx->destroyTransientVertexBuffer(m_vb);
+			s_ctx->destroyVertexBuffer(m_vb);
 		}
 	}
 

src/bgfx_p.h

@@ -723,7 +723,7 @@ namespace bgfx
 		void init();
 		void shutdown();
 
-		TransientVertexBuffer* m_vb;
+		VertexBufferHandle m_vb;
 		VertexDecl m_decl;
 		ProgramHandle m_program[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS];
 	};

src/renderer_d3d11.cpp

@@ -3323,24 +3323,27 @@ namespace bgfx { namespace d3d11
 
 				ProgramD3D11& program = m_program[_clearQuad.m_program[numMrt-1].idx];
 				m_currentProgram = &program;
-				deviceCtx->VSSetShader(program.m_vsh->m_vertexShader, NULL, 0);
-				deviceCtx->VSSetConstantBuffers(0, 1, s_zero.m_buffer);
+
+				const ShaderD3D11* vsh = program.m_vsh;
+				deviceCtx->VSSetShader(vsh->m_vertexShader, NULL, 0);
+				deviceCtx->VSSetConstantBuffers(0, 1, &vsh->m_buffer);
+				float mrtClearDepth[4] = { _clear.m_depth };
+				deviceCtx->UpdateSubresource(vsh->m_buffer, 0, 0, mrtClearDepth, 0, 0);
+
 				if (NULL != m_currentColor)
 				{
 					const ShaderD3D11* fsh = program.m_fsh;
 					deviceCtx->PSSetShader(fsh->m_pixelShader, NULL, 0);
 					deviceCtx->PSSetConstantBuffers(0, 1, &fsh->m_buffer);
 
+					float mrtClearColor[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
 					if (BGFX_CLEAR_COLOR_USE_PALETTE & _clear.m_flags)
 					{
-						float mrtClear[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
 						for (uint32_t ii = 0; ii < numMrt; ++ii)
 						{
 							uint8_t index = (uint8_t)bx::uint32_min(BGFX_CONFIG_MAX_COLOR_PALETTE-1, _clear.m_index[ii]);
-							bx::memCopy(mrtClear[ii], _palette[index], 16);
+							bx::memCopy(mrtClearColor[ii], _palette[index], 16);
 						}
-
-						deviceCtx->UpdateSubresource(fsh->m_buffer, 0, 0, mrtClear, 0, 0);
 					}
 					else
 					{
@@ -3351,51 +3354,25 @@ namespace bgfx { namespace d3d11
 							_clear.m_index[2]*1.0f/255.0f,
 							_clear.m_index[3]*1.0f/255.0f,
 						};
-
-						deviceCtx->UpdateSubresource(fsh->m_buffer, 0, 0, rgba, 0, 0);
+						for (uint32_t ii = 0; ii < numMrt; ++ii)
+						{
+							bx::memCopy(mrtClearColor[ii], rgba, 16);
+						}
 					}
+
+					deviceCtx->UpdateSubresource(fsh->m_buffer, 0, 0, mrtClearColor, 0, 0);
 				}
 				else
 				{
 					deviceCtx->PSSetShader(NULL, NULL, 0);
 				}
 
-				VertexBufferD3D11& vb = m_vertexBuffers[_clearQuad.m_vb->handle.idx];
-				const VertexDecl& vertexDecl = m_vertexDecls[_clearQuad.m_vb->decl.idx];
+				VertexBufferD3D11& vb = m_vertexBuffers[_clearQuad.m_vb.idx];
+				const VertexDecl& vertexDecl = _clearQuad.m_decl;
+
 				const uint32_t stride = vertexDecl.m_stride;
 				const uint32_t offset = 0;
 
-				{
-					struct Vertex
-					{
-						float m_x;
-						float m_y;
-						float m_z;
-					};
-
-					Vertex* vertex = (Vertex*)_clearQuad.m_vb->data;
-					BX_CHECK(stride == sizeof(Vertex), "Stride/Vertex mismatch (stride %d, sizeof(Vertex) %d)", stride, sizeof(Vertex) );
-
-					const float depth = _clear.m_depth;
-
-					vertex->m_x = -1.0f;
-					vertex->m_y = -1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x =  1.0f;
-					vertex->m_y = -1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x = -1.0f;
-					vertex->m_y =  1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x =  1.0f;
-					vertex->m_y =  1.0f;
-					vertex->m_z = depth;
-				}
-
-				m_vertexBuffers[_clearQuad.m_vb->handle.idx].update(0, 4*_clearQuad.m_decl.m_stride, _clearQuad.m_vb->data);
 				deviceCtx->IASetVertexBuffers(0, 1, &vb.m_ptr, &stride, &offset);
 				setInputLayout(vertexDecl, program, 0);
 

src/renderer_d3d9.cpp

@@ -2080,54 +2080,25 @@ namespace bgfx { namespace d3d9
 					DX_CHECK(device->SetRenderState(D3DRS_STENCILENABLE, FALSE) );
 				}
 
-				VertexBufferD3D9& vb = m_vertexBuffers[_clearQuad.m_vb->handle.idx];
-				VertexDecl& vertexDecl = m_vertexDecls[_clearQuad.m_vb->decl.idx];
+				VertexBufferD3D9& vb = m_vertexBuffers[_clearQuad.m_vb.idx];
+				VertexDecl& vertexDecl = _clearQuad.m_decl;
 				uint32_t stride = _clearQuad.m_decl.m_stride;
 
-				{
-					struct Vertex
-					{
-						float m_x;
-						float m_y;
-						float m_z;
-					};
-
-					Vertex* vertex = (Vertex*)_clearQuad.m_vb->data;
-					BX_CHECK(stride == sizeof(Vertex), "Stride/Vertex mismatch (stride %d, sizeof(Vertex) %d)", stride, sizeof(Vertex) );
-
-					const float depth = _clear.m_depth;
-
-					vertex->m_x = -1.0f;
-					vertex->m_y = -1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x =  1.0f;
-					vertex->m_y = -1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x = -1.0f;
-					vertex->m_y =  1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x =  1.0f;
-					vertex->m_y =  1.0f;
-					vertex->m_z = depth;
-				}
-
-				vb.update(0, 4*stride, _clearQuad.m_vb->data);
-
 				ProgramD3D9& program = m_program[_clearQuad.m_program[numMrt-1].idx];
 				device->SetVertexShader(program.m_vsh->m_vertexShader);
 				device->SetPixelShader(program.m_fsh->m_pixelShader);
 
-				float mrtClear[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
+				float mrtClearDepth[4] = { _clear.m_depth };
+				DX_CHECK(device->SetVertexShaderConstantF(0, mrtClearDepth, 1));
+
+				float mrtClearColor[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
 
 				if (BGFX_CLEAR_COLOR_USE_PALETTE & _clear.m_flags)
 				{
 					for (uint32_t ii = 0; ii < numMrt; ++ii)
 					{
 						uint8_t index = (uint8_t)bx::uint32_min(BGFX_CONFIG_MAX_COLOR_PALETTE - 1, _clear.m_index[ii]);
-						bx::memCopy(mrtClear[ii], _palette[index], 16);
+						bx::memCopy(mrtClearColor[ii], _palette[index], 16);
 					}
 				}
 				else
@@ -2142,11 +2113,11 @@ namespace bgfx { namespace d3d9
 
 					for (uint32_t ii = 0; ii < numMrt; ++ii)
 					{
-						bx::memCopy(mrtClear[ii], rgba, 16);
+						bx::memCopy(mrtClearColor[ii], rgba, 16);
 					}
 				}
 
-				DX_CHECK(device->SetPixelShaderConstantF(0, mrtClear[0], numMrt));
+				DX_CHECK(device->SetPixelShaderConstantF(0, mrtClearColor[0], numMrt));
 
 				DX_CHECK(device->SetStreamSource(0, vb.m_ptr, 0, stride) );
 				DX_CHECK(device->SetStreamSourceFreq(0, 1) );

src/renderer_gl.cpp

@@ -1738,6 +1738,8 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 			, m_hash( (BX_PLATFORM_WINDOWS<<1) | BX_ARCH_64BIT)
 			, m_backBufferFbo(0)
 			, m_msaaBackBufferFbo(0)
+			, m_clearQuadColor(BGFX_INVALID_HANDLE)
+			, m_clearQuadDepth(BGFX_INVALID_HANDLE)
 		{
 			bx::memSet(m_msaaBackBufferRbos, 0, sizeof(m_msaaBackBufferRbos) );
 		}
@@ -3750,40 +3752,8 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 					GL_CHECK(glDisable(GL_STENCIL_TEST) );
 				}
 
-				VertexBufferGL& vb = m_vertexBuffers[_clearQuad.m_vb->handle.idx];
-				VertexDecl& vertexDecl = m_vertexDecls[_clearQuad.m_vb->decl.idx];
-
-				{
-					struct Vertex
-					{
-						float m_x;
-						float m_y;
-						float m_z;
-					};
-
-					Vertex* vertex = (Vertex*)_clearQuad.m_vb->data;
-					BX_CHECK(vertexDecl.m_stride == sizeof(Vertex), "Stride/Vertex mismatch (stride %d, sizeof(Vertex) %d)", vertexDecl.m_stride, sizeof(Vertex) );
-
-					const float depth = _clear.m_depth * 2.0f - 1.0f;
-
-					vertex->m_x = -1.0f;
-					vertex->m_y = -1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x =  1.0f;
-					vertex->m_y = -1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x = -1.0f;
-					vertex->m_y =  1.0f;
-					vertex->m_z = depth;
-					vertex++;
-					vertex->m_x =  1.0f;
-					vertex->m_y =  1.0f;
-					vertex->m_z = depth;
-				}
-
-				vb.update(0, 4*_clearQuad.m_decl.m_stride, _clearQuad.m_vb->data);
+				VertexBufferGL& vb = m_vertexBuffers[_clearQuad.m_vb.idx];
+				VertexDecl& vertexDecl = _clearQuad.m_decl;
 
 				GL_CHECK(glBindBuffer(GL_ARRAY_BUFFER, vb.m_id) );
 
@@ -3793,14 +3763,31 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 				program.bindAttributes(vertexDecl, 0);
 				program.bindAttributesEnd();
 
-				float mrtClear[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
+				if (m_clearQuadColor.idx == kInvalidHandle)
+				{
+					const UniformRegInfo* infoClearColor = m_uniformReg.find("bgfx_clear_color");
+					if (NULL != infoClearColor)
+						m_clearQuadColor = infoClearColor->m_handle;
+				}
+
+				if (m_clearQuadDepth.idx == kInvalidHandle)
+				{
+					const UniformRegInfo* infoClearDepth = m_uniformReg.find("bgfx_clear_depth");
+					if (NULL != infoClearDepth)
+						m_clearQuadDepth = infoClearDepth->m_handle;
+				}
+
+				float mrtClearDepth[4] = { _clear.m_depth * 2.0f - 1.0f };
+				updateUniform(m_clearQuadDepth.idx, mrtClearDepth, sizeof(float)*4);
+
+				float mrtClearColor[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
 
 				if (BGFX_CLEAR_COLOR_USE_PALETTE & _clear.m_flags)
 				{
 					for (uint32_t ii = 0; ii < numMrt; ++ii)
 					{
 						uint8_t index = (uint8_t)bx::uint32_min(BGFX_CONFIG_MAX_COLOR_PALETTE-1, _clear.m_index[ii]);
-						bx::memCopy(mrtClear[ii], _palette[index], 16);
+						bx::memCopy(mrtClearColor[ii], _palette[index], 16);
 					}
 				}
 				else
@@ -3815,11 +3802,13 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 
 					for (uint32_t ii = 0; ii < numMrt; ++ii)
 					{
-						bx::memCopy(mrtClear[ii], rgba, 16);
+						bx::memCopy(mrtClearColor[ii], rgba, 16);
 					}
 				}
 
-				GL_CHECK(glUniform4fv(0, numMrt, mrtClear[0]) );
+				updateUniform(m_clearQuadColor.idx, mrtClearColor[0], numMrt * sizeof(float) * 4);
+
+				commit(*program.m_constantBuffer);
 
 				GL_CHECK(glDrawArrays(GL_TRIANGLE_STRIP
 					, 0
@@ -3887,6 +3876,9 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 		GlContext m_glctx;
 		bool m_needPresent;
 
+		UniformHandle m_clearQuadColor;
+		UniformHandle m_clearQuadDepth;
+
 		const char* m_vendor;
 		const char* m_renderer;
 		const char* m_version;

src/renderer_mtl.mm

@@ -1484,38 +1484,44 @@ namespace bgfx { namespace mtl
 				numMrt = bx::uint32_max(1, fb.m_num);
 			}
 
+			const VertexDecl* decl = &_clearQuad.m_decl;
 			const PipelineStateMtl* pso = getPipelineState(
 				  state
 				, 0
 				, fbh
-				, _clearQuad.m_vb->decl
+				, 1
+				, &decl
 				, _clearQuad.m_program[numMrt-1]
 				, 0
 				);
 			m_renderCommandEncoder.setRenderPipelineState(pso->m_rps);
 
-			uint32_t fragmentUniformBufferSize = pso->m_fshConstantBufferSize;
+			const uint32_t vertexUniformBufferSize   = pso->m_vshConstantBufferSize;
+			const uint32_t fragmentUniformBufferSize = pso->m_fshConstantBufferSize;
 
-			m_uniformBufferFragmentOffset = m_uniformBufferVertexOffset;
+			if (0 != vertexUniformBufferSize)
+			{
+				m_uniformBufferVertexOffset = BX_ALIGN_MASK(m_uniformBufferVertexOffset, pso->m_vshConstantBufferAlignmentMask);
+				m_renderCommandEncoder.setVertexBuffer(m_uniformBuffer, m_uniformBufferVertexOffset, 0);
+			}
+			
+			m_uniformBufferFragmentOffset = m_uniformBufferVertexOffset + vertexUniformBufferSize;
 			if (fragmentUniformBufferSize)
 			{
 				m_uniformBufferFragmentOffset = BX_ALIGN_MASK(m_uniformBufferFragmentOffset, pso->m_fshConstantBufferAlignmentMask);
 				m_renderCommandEncoder.setFragmentBuffer(m_uniformBuffer, m_uniformBufferFragmentOffset, 0);
 			}
 
+			float mrtClearColor[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
+			float mrtClearDepth[4] = { _clear.m_depth };
+
 			if (BGFX_CLEAR_COLOR_USE_PALETTE & _clear.m_flags)
 			{
-				float mrtClear[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
 				for (uint32_t ii = 0; ii < numMrt; ++ii)
 				{
 					uint8_t index = (uint8_t)bx::uint32_min(BGFX_CONFIG_MAX_COLOR_PALETTE-1, _clear.m_index[ii]);
-					bx::memCopy(mrtClear[ii], _palette[index], 16);
+					bx::memCopy(mrtClearColor[ii], _palette[index], 16);
 				}
-
-				bx::memCopy( (uint8_t*)m_uniformBuffer.contents() + m_uniformBufferFragmentOffset
-					, mrtClear
-					, bx::uint32_min(fragmentUniformBufferSize, sizeof(mrtClear) )
-					);
 			}
 			else
 			{
@@ -1527,58 +1533,33 @@ namespace bgfx { namespace mtl
 					_clear.m_index[3]*1.0f/255.0f,
 				};
 
-				bx::memCopy( (uint8_t*)m_uniformBuffer.contents() + m_uniformBufferFragmentOffset
-					, rgba
-					, bx::uint32_min(fragmentUniformBufferSize, sizeof(rgba) )
-					);
+				for (uint32_t ii = 0; ii < numMrt; ++ii)
+				{
+					bx::memCopy( mrtClearColor[ii]
+								, rgba
+								, 16
+								);
+				}
 			}
 
-			m_uniformBufferFragmentOffset += fragmentUniformBufferSize;
-			m_uniformBufferVertexOffset = m_uniformBufferFragmentOffset;
+			bx::memCopy( (uint8_t*)m_uniformBuffer.contents() + m_uniformBufferVertexOffset
+						, mrtClearDepth
+						, bx::uint32_min(vertexUniformBufferSize, sizeof(mrtClearDepth) )
+						);
 
-			const VertexBufferMtl& vb = m_vertexBuffers[_clearQuad.m_vb->handle.idx];
-			const VertexDecl& vertexDecl = m_vertexDecls[_clearQuad.m_vb->decl.idx];
-			const uint32_t stride = vertexDecl.m_stride;
-			const uint32_t offset = 0;
+			bx::memCopy( (uint8_t*)m_uniformBuffer.contents() + m_uniformBufferFragmentOffset
+						, mrtClearColor
+						, bx::uint32_min(fragmentUniformBufferSize, sizeof(mrtClearColor) )
+						);
+			
 
-			{
-				struct Vertex
-				{
-					float m_x;
-					float m_y;
-					float m_z;
-				};
+			m_uniformBufferFragmentOffset += fragmentUniformBufferSize;
+			m_uniformBufferVertexOffset    = m_uniformBufferFragmentOffset;
 
-				Vertex* vertex = (Vertex*)_clearQuad.m_vb->data;
-				BX_CHECK(stride == sizeof(Vertex)
-					, "Stride/Vertex mismatch (stride %d, sizeof(Vertex) %d)"
-					, stride
-					, sizeof(Vertex)
-					);
-				BX_UNUSED(stride);
-
-				const float depth = _clear.m_depth;
-
-				vertex->m_x = -1.0f;
-				vertex->m_y = -1.0f;
-				vertex->m_z = depth;
-				vertex++;
-				vertex->m_x =  1.0f;
-				vertex->m_y = -1.0f;
-				vertex->m_z = depth;
-				vertex++;
-				vertex->m_x = -1.0f;
-				vertex->m_y =  1.0f;
-				vertex->m_z = depth;
-				vertex++;
-				vertex->m_x =  1.0f;
-				vertex->m_y =  1.0f;
-				vertex->m_z = depth;
-			}
+			const VertexBufferMtl& vb = m_vertexBuffers[_clearQuad.m_vb.idx];
 
-			m_vertexBuffers[_clearQuad.m_vb->handle.idx].update(0, 4*_clearQuad.m_decl.m_stride, _clearQuad.m_vb->data);
 			m_renderCommandEncoder.setCullMode(MTLCullModeNone);
-			m_renderCommandEncoder.setVertexBuffer(vb.getBuffer(), offset, 1);
+			m_renderCommandEncoder.setVertexBuffer(vb.getBuffer(), 0, 1);
 			m_renderCommandEncoder.drawPrimitives(MTLPrimitiveTypeTriangleStrip, 0, 4, 1);
 		}
 

src/vs_clear.bin.h

@@ -1,132 +1,170 @@
-static const uint8_t vs_clear_glsl[164] =
+static const uint8_t vs_clear_glsl[265] =
 {
-	0x56, 0x53, 0x48, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x95, 0x00, 0x00, 0x00, 0x61, 0x74, // VSH...........at
-	0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x20, 0x68, 0x69, 0x67, 0x68, 0x70, 0x20, 0x76, 0x65, // tribute highp ve
-	0x63, 0x33, 0x20, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x3b, 0x0a, 0x76, // c3 a_position;.v
+	0x56, 0x53, 0x48, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x62, // VSH............b
+	0x67, 0x66, 0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x02, // gfx_clear_depth.
+	0x01, 0x00, 0x00, 0x01, 0x00, 0xdf, 0x00, 0x00, 0x00, 0x61, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, // .........attribu
+	0x74, 0x65, 0x20, 0x68, 0x69, 0x67, 0x68, 0x70, 0x20, 0x76, 0x65, 0x63, 0x33, 0x20, 0x61, 0x5f, // te highp vec3 a_
+	0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x3b, 0x0a, 0x75, 0x6e, 0x69, 0x66, 0x6f, 0x72, // position;.unifor
+	0x6d, 0x20, 0x68, 0x69, 0x67, 0x68, 0x70, 0x20, 0x76, 0x65, 0x63, 0x34, 0x20, 0x62, 0x67, 0x66, // m highp vec4 bgf
+	0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x3b, 0x0a, 0x76, // x_clear_depth;.v
 	0x6f, 0x69, 0x64, 0x20, 0x6d, 0x61, 0x69, 0x6e, 0x20, 0x28, 0x29, 0x0a, 0x7b, 0x0a, 0x20, 0x20, // oid main ().{.  
 	0x68, 0x69, 0x67, 0x68, 0x70, 0x20, 0x76, 0x65, 0x63, 0x34, 0x20, 0x74, 0x6d, 0x70, 0x76, 0x61, // highp vec4 tmpva
 	0x72, 0x5f, 0x31, 0x3b, 0x0a, 0x20, 0x20, 0x74, 0x6d, 0x70, 0x76, 0x61, 0x72, 0x5f, 0x31, 0x2e, // r_1;.  tmpvar_1.
 	0x77, 0x20, 0x3d, 0x20, 0x31, 0x2e, 0x30, 0x3b, 0x0a, 0x20, 0x20, 0x74, 0x6d, 0x70, 0x76, 0x61, // w = 1.0;.  tmpva
-	0x72, 0x5f, 0x31, 0x2e, 0x78, 0x79, 0x7a, 0x20, 0x3d, 0x20, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, // r_1.xyz = a_posi
-	0x74, 0x69, 0x6f, 0x6e, 0x3b, 0x0a, 0x20, 0x20, 0x67, 0x6c, 0x5f, 0x50, 0x6f, 0x73, 0x69, 0x74, // tion;.  gl_Posit
-	0x69, 0x6f, 0x6e, 0x20, 0x3d, 0x20, 0x74, 0x6d, 0x70, 0x76, 0x61, 0x72, 0x5f, 0x31, 0x3b, 0x0a, // ion = tmpvar_1;.
-	0x7d, 0x0a, 0x0a, 0x00,                                                                         // }...
+	0x72, 0x5f, 0x31, 0x2e, 0x78, 0x79, 0x20, 0x3d, 0x20, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, 0x74, // r_1.xy = a_posit
+	0x69, 0x6f, 0x6e, 0x2e, 0x78, 0x79, 0x3b, 0x0a, 0x20, 0x20, 0x74, 0x6d, 0x70, 0x76, 0x61, 0x72, // ion.xy;.  tmpvar
+	0x5f, 0x31, 0x2e, 0x7a, 0x20, 0x3d, 0x20, 0x62, 0x67, 0x66, 0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, // _1.z = bgfx_clea
+	0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x2e, 0x78, 0x3b, 0x0a, 0x20, 0x20, 0x67, 0x6c, 0x5f, // r_depth.x;.  gl_
+	0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x3d, 0x20, 0x74, 0x6d, 0x70, 0x76, 0x61, // Position = tmpva
+	0x72, 0x5f, 0x31, 0x3b, 0x0a, 0x7d, 0x0a, 0x0a, 0x00,                                           // r_1;.}...
 };
-static const uint8_t vs_clear_spv[568] =
+static const uint8_t vs_clear_spv[863] =
 {
-	0x56, 0x53, 0x48, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x02, 0x00, 0x00, 0x03, 0x02, // VSH.......$.....
-	0x23, 0x07, 0x00, 0x00, 0x01, 0x00, 0x06, 0x00, 0x08, 0x00, 0x4f, 0x00, 0x00, 0x00, 0x00, 0x00, // #.........O.....
-	0x00, 0x00, 0x11, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x06, 0x00, 0x01, 0x00, // ................
-	0x00, 0x00, 0x47, 0x4c, 0x53, 0x4c, 0x2e, 0x73, 0x74, 0x64, 0x2e, 0x34, 0x35, 0x30, 0x00, 0x00, // ..GLSL.std.450..
-	0x00, 0x00, 0x0e, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, // ................
-	0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, // ..........main..
-	0x00, 0x00, 0x27, 0x00, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x05, 0x00, // ..'...*.........
-	0x00, 0x00, 0xf4, 0x01, 0x00, 0x00, 0x05, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x6d, 0x61, // ..............ma
-	0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x05, 0x00, 0x27, 0x00, 0x00, 0x00, 0x61, 0x5f, // in........'...a_
-	0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x05, 0x00, 0x0a, 0x00, 0x2a, 0x00, // position......*.
-	0x00, 0x00, 0x40, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x50, 0x6f, 0x69, 0x6e, 0x74, 0x4f, 0x75, 0x74, // ..@entryPointOut
-	0x70, 0x75, 0x74, 0x2e, 0x67, 0x6c, 0x5f, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x00, // put.gl_Position.
-	0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x27, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, // ..G...'.........
-	0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, // ..G...*.........
-	0x00, 0x00, 0x13, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x21, 0x00, 0x03, 0x00, 0x03, 0x00, // ..........!.....
-	0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x16, 0x00, 0x03, 0x00, 0x06, 0x00, 0x00, 0x00, 0x20, 0x00, // .............. .
-	0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x07, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x03, 0x00, // ................
-	0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x04, 0x00, // ................
-	0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, // ..+.............
-	0x80, 0x3f, 0x20, 0x00, 0x04, 0x00, 0x26, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x07, 0x00, // .? ...&.........
-	0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x26, 0x00, 0x00, 0x00, 0x27, 0x00, 0x00, 0x00, 0x01, 0x00, // ..;...&...'.....
-	0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x29, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x09, 0x00, // .. ...).........
-	0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x29, 0x00, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x03, 0x00, // ..;...)...*.....
-	0x00, 0x00, 0x36, 0x00, 0x05, 0x00, 0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, // ..6.............
-	0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x02, 0x00, 0x05, 0x00, 0x00, 0x00, 0x3d, 0x00, // ..............=.
-	0x04, 0x00, 0x07, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x27, 0x00, 0x00, 0x00, 0x51, 0x00, // ......(...'...Q.
-	0x05, 0x00, 0x06, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, // ......8...(.....
-	0x00, 0x00, 0x51, 0x00, 0x05, 0x00, 0x06, 0x00, 0x00, 0x00, 0x39, 0x00, 0x00, 0x00, 0x28, 0x00, // ..Q.......9...(.
-	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x51, 0x00, 0x05, 0x00, 0x06, 0x00, 0x00, 0x00, 0x3a, 0x00, // ......Q.......:.
-	0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x50, 0x00, 0x07, 0x00, 0x09, 0x00, // ..(.......P.....
-	0x00, 0x00, 0x3b, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x39, 0x00, 0x00, 0x00, 0x3a, 0x00, // ..;...8...9...:.
-	0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x7f, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x3f, 0x00, // ..............?.
-	0x00, 0x00, 0x39, 0x00, 0x00, 0x00, 0x52, 0x00, 0x06, 0x00, 0x09, 0x00, 0x00, 0x00, 0x4e, 0x00, // ..9...R.......N.
-	0x00, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x3e, 0x00, // ..?...;.......>.
-	0x03, 0x00, 0x2a, 0x00, 0x00, 0x00, 0x4e, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x01, 0x00, 0x38, 0x00, // ..*...N.......8.
-	0x01, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00,                                                 // ........
+	0x56, 0x53, 0x48, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x62, // VSH............b
+	0x67, 0x66, 0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x02, // gfx_clear_depth.
+	0x01, 0x00, 0x00, 0x01, 0x00, 0x30, 0x03, 0x00, 0x00, 0x03, 0x02, 0x23, 0x07, 0x00, 0x00, 0x01, // .....0.....#....
+	0x00, 0x07, 0x00, 0x08, 0x00, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, // .....d..........
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x06, 0x00, 0x01, 0x00, 0x00, 0x00, 0x47, 0x4c, 0x53, // .............GLS
+	0x4c, 0x2e, 0x73, 0x74, 0x64, 0x2e, 0x34, 0x35, 0x30, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x03, // L.std.450.......
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, // ................
+	0x00, 0x04, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, // .....main..../..
+	0x00, 0x32, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x05, 0x00, 0x00, 0x00, 0xf4, 0x01, 0x00, // .2..............
+	0x00, 0x05, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, // .........main...
+	0x00, 0x05, 0x00, 0x04, 0x00, 0x16, 0x00, 0x00, 0x00, 0x24, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, // .........$Global
+	0x00, 0x06, 0x00, 0x08, 0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x67, 0x66, // .............bgf
+	0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x00, 0x00, 0x00, // x_clear_depth...
+	0x00, 0x05, 0x00, 0x03, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x05, // ................
+	0x00, 0x2f, 0x00, 0x00, 0x00, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x00, // ./...a_position.
+	0x00, 0x05, 0x00, 0x0a, 0x00, 0x32, 0x00, 0x00, 0x00, 0x40, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x50, // .....2...@entryP
+	0x6f, 0x69, 0x6e, 0x74, 0x4f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x2e, 0x67, 0x6c, 0x5f, 0x50, 0x6f, // ointOutput.gl_Po
+	0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, 0x48, 0x00, 0x05, 0x00, 0x16, 0x00, 0x00, // sition...H......
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x03, // .....#.......G..
+	0x00, 0x16, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x18, 0x00, 0x00, // .........G......
+	0x00, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x18, 0x00, 0x00, // .".......G......
+	0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x2f, 0x00, 0x00, // .!.......G.../..
+	0x00, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x00, 0x04, 0x00, 0x32, 0x00, 0x00, // .........G...2..
+	0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00, // ................
+	0x00, 0x21, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x16, 0x00, 0x03, // .!..............
+	0x00, 0x06, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x07, 0x00, 0x00, // ..... ..........
+	0x00, 0x06, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x17, 0x00, 0x04, 0x00, 0x09, 0x00, 0x00, // ................
+	0x00, 0x06, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x15, 0x00, 0x04, 0x00, 0x11, 0x00, 0x00, // ................
+	0x00, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x11, 0x00, 0x00, // . .......+......
+	0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x03, 0x00, 0x16, 0x00, 0x00, // ................
+	0x00, 0x09, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x17, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, // ..... ..........
+	0x00, 0x16, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x17, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, // .....;..........
+	0x00, 0x02, 0x00, 0x00, 0x00, 0x15, 0x00, 0x04, 0x00, 0x19, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, // ............. ..
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x19, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, // .....+..........
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x1b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, // ..... ..........
+	0x00, 0x06, 0x00, 0x00, 0x00, 0x2b, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, // .....+..........
+	0x00, 0x00, 0x00, 0x80, 0x3f, 0x20, 0x00, 0x04, 0x00, 0x2e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, // ....? ..........
+	0x00, 0x07, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x2e, 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, // .....;......./..
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x20, 0x00, 0x04, 0x00, 0x31, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, // ..... ...1......
+	0x00, 0x09, 0x00, 0x00, 0x00, 0x3b, 0x00, 0x04, 0x00, 0x31, 0x00, 0x00, 0x00, 0x32, 0x00, 0x00, // .....;...1...2..
+	0x00, 0x03, 0x00, 0x00, 0x00, 0x36, 0x00, 0x05, 0x00, 0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, // .....6..........
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x02, 0x00, 0x05, 0x00, 0x00, // ................
+	0x00, 0x3d, 0x00, 0x04, 0x00, 0x07, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00, // .=.......0.../..
+	0x00, 0x41, 0x00, 0x06, 0x00, 0x1b, 0x00, 0x00, 0x00, 0x4d, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, // .A.......M......
+	0x00, 0x12, 0x00, 0x00, 0x00, 0x1a, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, // .........=......
+	0x00, 0x4e, 0x00, 0x00, 0x00, 0x4d, 0x00, 0x00, 0x00, 0x51, 0x00, 0x05, 0x00, 0x06, 0x00, 0x00, // .N...M...Q......
+	0x00, 0x4f, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x51, 0x00, 0x05, // .O...0.......Q..
+	0x00, 0x06, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, // .....P...0......
+	0x00, 0x50, 0x00, 0x07, 0x00, 0x09, 0x00, 0x00, 0x00, 0x51, 0x00, 0x00, 0x00, 0x4f, 0x00, 0x00, // .P.......Q...O..
+	0x00, 0x50, 0x00, 0x00, 0x00, 0x4e, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x7f, 0x00, 0x04, // .P...N..........
+	0x00, 0x06, 0x00, 0x00, 0x00, 0x55, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x52, 0x00, 0x06, // .....U...P...R..
+	0x00, 0x09, 0x00, 0x00, 0x00, 0x63, 0x00, 0x00, 0x00, 0x55, 0x00, 0x00, 0x00, 0x51, 0x00, 0x00, // .....c...U...Q..
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x03, 0x00, 0x32, 0x00, 0x00, 0x00, 0x63, 0x00, 0x00, // .....>...2...c..
+	0x00, 0xfd, 0x00, 0x01, 0x00, 0x38, 0x00, 0x01, 0x00, 0x00, 0x01, 0x01, 0x00, 0x10, 0x00,       // .....8.........
 };
-static const uint8_t vs_clear_dx9[175] =
+static const uint8_t vs_clear_dx9[282] =
 {
-	0x56, 0x53, 0x48, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x03, // VSH.............
-	0xfe, 0xff, 0xfe, 0xff, 0x14, 0x00, 0x43, 0x54, 0x41, 0x42, 0x1c, 0x00, 0x00, 0x00, 0x23, 0x00, // ......CTAB....#.
-	0x00, 0x00, 0x00, 0x03, 0xfe, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x91, // ................
-	0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x76, 0x73, 0x5f, 0x33, 0x5f, 0x30, 0x00, 0x4d, 0x69, 0x63, // ......vs_3_0.Mic
-	0x72, 0x6f, 0x73, 0x6f, 0x66, 0x74, 0x20, 0x28, 0x52, 0x29, 0x20, 0x48, 0x4c, 0x53, 0x4c, 0x20, // rosoft (R) HLSL 
-	0x53, 0x68, 0x61, 0x64, 0x65, 0x72, 0x20, 0x43, 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x72, 0x20, // Shader Compiler 
-	0x31, 0x30, 0x2e, 0x31, 0x00, 0xab, 0x51, 0x00, 0x00, 0x05, 0x00, 0x00, 0x0f, 0xa0, 0x00, 0x00, // 10.1..Q.........
-	0x80, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x00, // .?..............
-	0x00, 0x02, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x0f, 0x90, 0x1f, 0x00, 0x00, 0x02, 0x00, 0x00, // ................
-	0x00, 0x80, 0x00, 0x00, 0x0f, 0xe0, 0x04, 0x00, 0x00, 0x04, 0x00, 0x00, 0x0f, 0xe0, 0x00, 0x00, // ................
-	0x24, 0x90, 0x00, 0x00, 0x40, 0xa0, 0x00, 0x00, 0x15, 0xa0, 0xff, 0xff, 0x00, 0x00, 0x00,       // $...@..........
+	0x56, 0x53, 0x48, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x62, // VSH............b
+	0x67, 0x66, 0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x02, // gfx_clear_depth.
+	0x01, 0x00, 0x00, 0x01, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x03, 0xfe, 0xff, 0xfe, 0xff, 0x25, // ...............%
+	0x00, 0x43, 0x54, 0x41, 0x42, 0x1c, 0x00, 0x00, 0x00, 0x5b, 0x00, 0x00, 0x00, 0x00, 0x03, 0xfe, // .CTAB....[......
+	0xff, 0x01, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x91, 0x00, 0x00, 0x54, 0x00, 0x00, // .............T..
+	0x00, 0x30, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x44, 0x00, 0x00, // .0...........D..
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x67, 0x66, 0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, // .....bgfx_clear_
+	0x64, 0x65, 0x70, 0x74, 0x68, 0x00, 0xab, 0xab, 0xab, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x04, // depth...........
+	0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0x73, 0x5f, 0x33, 0x5f, 0x30, 0x00, // .........vs_3_0.
+	0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66, 0x74, 0x20, 0x28, 0x52, 0x29, 0x20, 0x48, 0x4c, // Microsoft (R) HL
+	0x53, 0x4c, 0x20, 0x53, 0x68, 0x61, 0x64, 0x65, 0x72, 0x20, 0x43, 0x6f, 0x6d, 0x70, 0x69, 0x6c, // SL Shader Compil
+	0x65, 0x72, 0x20, 0x36, 0x2e, 0x33, 0x2e, 0x39, 0x36, 0x30, 0x30, 0x2e, 0x31, 0x38, 0x36, 0x31, // er 6.3.9600.1861
+	0x31, 0x00, 0xab, 0xab, 0xab, 0x51, 0x00, 0x00, 0x05, 0x01, 0x00, 0x0f, 0xa0, 0x00, 0x00, 0x80, // 1....Q..........
+	0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x00, // ?...............
+	0x02, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x0f, 0x90, 0x1f, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, // ................
+	0x80, 0x00, 0x00, 0x0f, 0xe0, 0x04, 0x00, 0x00, 0x04, 0x00, 0x00, 0x0b, 0xe0, 0x00, 0x00, 0x24, // ...............$
+	0x90, 0x01, 0x00, 0x60, 0xa0, 0x01, 0x00, 0x25, 0xa0, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x04, // ...`...%........
+	0xe0, 0x00, 0x00, 0x00, 0xa0, 0xff, 0xff, 0x00, 0x00, 0x00,                                     // ..........
 };
-static const uint8_t vs_clear_dx11[388] =
+static const uint8_t vs_clear_dx11[479] =
 {
-	0x56, 0x53, 0x48, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x01, 0x00, 0x00, 0x44, 0x58, // VSH.......p...DX
-	0x42, 0x43, 0x35, 0x37, 0xf0, 0x90, 0x23, 0xc6, 0x3b, 0x7a, 0xd4, 0x66, 0x38, 0xf5, 0x51, 0x69, // BC57..#.;z.f8.Qi
-	0x19, 0xa8, 0x01, 0x00, 0x00, 0x00, 0x70, 0x01, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x30, 0x00, // ......p.......0.
-	0x00, 0x00, 0xb0, 0x00, 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x3c, 0x01, 0x00, 0x00, 0x41, 0x6f, // ..........<...Ao
-	0x6e, 0x39, 0x78, 0x00, 0x00, 0x00, 0x78, 0x00, 0x00, 0x00, 0x00, 0x02, 0xfe, 0xff, 0x50, 0x00, // n9x...x.......P.
-	0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, // ..(.....$...$...
-	0x24, 0x00, 0x00, 0x00, 0x24, 0x00, 0x01, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, // $...$...$.......
-	0xfe, 0xff, 0x51, 0x00, 0x00, 0x05, 0x01, 0x00, 0x0f, 0xa0, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, // ..Q..........?..
-	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x02, 0x05, 0x00, // ................
-	0x00, 0x80, 0x00, 0x00, 0x0f, 0x90, 0x02, 0x00, 0x00, 0x03, 0x00, 0x00, 0x03, 0xc0, 0x00, 0x00, // ................
-	0xe4, 0x90, 0x00, 0x00, 0xe4, 0xa0, 0x04, 0x00, 0x00, 0x04, 0x00, 0x00, 0x0c, 0xc0, 0x00, 0x00, // ................
-	0xaa, 0x90, 0x01, 0x00, 0x44, 0xa0, 0x01, 0x00, 0x14, 0xa0, 0xff, 0xff, 0x00, 0x00, 0x53, 0x48, // ....D.........SH
-	0x44, 0x52, 0x50, 0x00, 0x00, 0x00, 0x40, 0x00, 0x01, 0x00, 0x14, 0x00, 0x00, 0x00, 0x5f, 0x00, // DRP...@......._.
-	0x00, 0x03, 0x72, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x00, 0x00, 0x04, 0xf2, 0x20, // ..r.......g.... 
-	0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x05, 0x72, 0x20, // ..........6...r 
-	0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46, 0x12, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, // ......F.......6.
-	0x00, 0x05, 0x82, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, // ... .......@....
-	0x80, 0x3f, 0x3e, 0x00, 0x00, 0x01, 0x49, 0x53, 0x47, 0x4e, 0x2c, 0x00, 0x00, 0x00, 0x01, 0x00, // .?>...ISGN,.....
-	0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ...... .........
-	0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x07, 0x00, 0x00, 0x50, 0x4f, // ..............PO
-	0x53, 0x49, 0x54, 0x49, 0x4f, 0x4e, 0x00, 0xab, 0xab, 0xab, 0x4f, 0x53, 0x47, 0x4e, 0x2c, 0x00, // SITION....OSGN,.
-	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, // .......... .....
-	0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, // ................
-	0x00, 0x00, 0x53, 0x56, 0x5f, 0x50, 0x4f, 0x53, 0x49, 0x54, 0x49, 0x4f, 0x4e, 0x00, 0x00, 0x01, // ..SV_POSITION...
-	0x01, 0x00, 0x00, 0x00,                                                                         // ....
+	0x56, 0x53, 0x48, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x62, // VSH............b
+	0x67, 0x66, 0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x02, // gfx_clear_depth.
+	0x00, 0x00, 0x00, 0x01, 0x00, 0xb0, 0x01, 0x00, 0x00, 0x44, 0x58, 0x42, 0x43, 0x2e, 0xa9, 0xc9, // .........DXBC...
+	0x97, 0xf8, 0x17, 0xd7, 0x4e, 0xd1, 0x22, 0x2f, 0x75, 0x57, 0x9d, 0x14, 0x2f, 0x01, 0x00, 0x00, // ....N."/uW../...
+	0x00, 0xb0, 0x01, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0xc8, 0x00, 0x00, // .........0......
+	0x00, 0x48, 0x01, 0x00, 0x00, 0x7c, 0x01, 0x00, 0x00, 0x41, 0x6f, 0x6e, 0x39, 0x90, 0x00, 0x00, // .H...|...Aon9...
+	0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x02, 0xfe, 0xff, 0x5c, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, // .............4..
+	0x00, 0x01, 0x00, 0x24, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x24, // ...$...0...0...$
+	0x00, 0x01, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, // ...0............
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xfe, 0xff, 0x51, 0x00, 0x00, 0x05, 0x02, 0x00, 0x0f, // .........Q......
+	0xa0, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ....?...........
+	0x00, 0x1f, 0x00, 0x00, 0x02, 0x05, 0x00, 0x00, 0x80, 0x00, 0x00, 0x0f, 0x90, 0x02, 0x00, 0x00, // ................
+	0x03, 0x00, 0x00, 0x03, 0xc0, 0x00, 0x00, 0xe4, 0x90, 0x00, 0x00, 0xe4, 0xa0, 0x01, 0x00, 0x00, // ................
+	0x02, 0x00, 0x00, 0x03, 0x80, 0x02, 0x00, 0xe4, 0xa0, 0x04, 0x00, 0x00, 0x04, 0x00, 0x00, 0x0c, // ................
+	0xc0, 0x01, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x44, 0x80, 0x00, 0x00, 0x14, 0x80, 0xff, 0xff, 0x00, // .......D........
+	0x00, 0x53, 0x48, 0x44, 0x52, 0x78, 0x00, 0x00, 0x00, 0x40, 0x00, 0x01, 0x00, 0x1e, 0x00, 0x00, // .SHDRx...@......
+	0x00, 0x59, 0x00, 0x00, 0x04, 0x46, 0x8e, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, // .Y...F. ........
+	0x00, 0x5f, 0x00, 0x00, 0x03, 0x32, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x00, 0x00, // ._...2.......g..
+	0x04, 0xf2, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, // .. ..........6..
+	0x05, 0x32, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, // .2 ......F......
+	0x00, 0x36, 0x00, 0x00, 0x06, 0x42, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x80, 0x20, // .6...B ........ 
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x00, 0x05, 0x82, 0x20, 0x10, // .........6.... .
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00, 0x80, 0x3f, 0x3e, 0x00, 0x00, // ......@.....?>..
+	0x01, 0x49, 0x53, 0x47, 0x4e, 0x2c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, // .ISGN,..........
+	0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, // . ..............
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x03, 0x00, 0x00, 0x50, 0x4f, 0x53, 0x49, 0x54, 0x49, 0x4f, // .........POSITIO
+	0x4e, 0x00, 0xab, 0xab, 0xab, 0x4f, 0x53, 0x47, 0x4e, 0x2c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, // N....OSGN,......
+	0x00, 0x08, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, // ..... ..........
+	0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x53, 0x56, 0x5f, // .............SV_
+	0x50, 0x4f, 0x53, 0x49, 0x54, 0x49, 0x4f, 0x4e, 0x00, 0x00, 0x01, 0x01, 0x00, 0x10, 0x00,       // POSITION.......
 };
-static const uint8_t vs_clear_mtl[504] =
+static const uint8_t vs_clear_mtl[541] =
 {
-	0x56, 0x53, 0x48, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe9, 0x01, 0x00, 0x00, 0x75, 0x73, // VSH...........us
-	0x69, 0x6e, 0x67, 0x20, 0x6e, 0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x20, 0x6d, 0x65, // ing namespace me
-	0x74, 0x61, 0x6c, 0x3b, 0x0a, 0x73, 0x74, 0x72, 0x75, 0x63, 0x74, 0x20, 0x78, 0x6c, 0x61, 0x74, // tal;.struct xlat
-	0x4d, 0x74, 0x6c, 0x53, 0x68, 0x61, 0x64, 0x65, 0x72, 0x49, 0x6e, 0x70, 0x75, 0x74, 0x20, 0x7b, // MtlShaderInput {
-	0x0a, 0x20, 0x20, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x33, 0x20, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, // .  float3 a_posi
-	0x74, 0x69, 0x6f, 0x6e, 0x20, 0x5b, 0x5b, 0x61, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, // tion [[attribute
-	0x28, 0x30, 0x29, 0x5d, 0x5d, 0x3b, 0x0a, 0x7d, 0x3b, 0x0a, 0x73, 0x74, 0x72, 0x75, 0x63, 0x74, // (0)]];.};.struct
-	0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x53, 0x68, 0x61, 0x64, 0x65, 0x72, 0x4f, 0x75, //  xlatMtlShaderOu
-	0x74, 0x70, 0x75, 0x74, 0x20, 0x7b, 0x0a, 0x20, 0x20, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x20, // tput {.  float4 
-	0x67, 0x6c, 0x5f, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x5b, 0x5b, 0x70, 0x6f, // gl_Position [[po
-	0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x5d, 0x5d, 0x3b, 0x0a, 0x7d, 0x3b, 0x0a, 0x73, 0x74, 0x72, // sition]];.};.str
-	0x75, 0x63, 0x74, 0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x53, 0x68, 0x61, 0x64, 0x65, // uct xlatMtlShade
-	0x72, 0x55, 0x6e, 0x69, 0x66, 0x6f, 0x72, 0x6d, 0x20, 0x7b, 0x0a, 0x7d, 0x3b, 0x0a, 0x76, 0x65, // rUniform {.};.ve
-	0x72, 0x74, 0x65, 0x78, 0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x53, 0x68, 0x61, 0x64, // rtex xlatMtlShad
-	0x65, 0x72, 0x4f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, // erOutput xlatMtl
-	0x4d, 0x61, 0x69, 0x6e, 0x20, 0x28, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x53, 0x68, 0x61, // Main (xlatMtlSha
-	0x64, 0x65, 0x72, 0x49, 0x6e, 0x70, 0x75, 0x74, 0x20, 0x5f, 0x6d, 0x74, 0x6c, 0x5f, 0x69, 0x20, // derInput _mtl_i 
-	0x5b, 0x5b, 0x73, 0x74, 0x61, 0x67, 0x65, 0x5f, 0x69, 0x6e, 0x5d, 0x5d, 0x2c, 0x20, 0x63, 0x6f, // [[stage_in]], co
-	0x6e, 0x73, 0x74, 0x61, 0x6e, 0x74, 0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x53, 0x68, // nstant xlatMtlSh
-	0x61, 0x64, 0x65, 0x72, 0x55, 0x6e, 0x69, 0x66, 0x6f, 0x72, 0x6d, 0x26, 0x20, 0x5f, 0x6d, 0x74, // aderUniform& _mt
-	0x6c, 0x5f, 0x75, 0x20, 0x5b, 0x5b, 0x62, 0x75, 0x66, 0x66, 0x65, 0x72, 0x28, 0x30, 0x29, 0x5d, // l_u [[buffer(0)]
-	0x5d, 0x29, 0x0a, 0x7b, 0x0a, 0x20, 0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x53, 0x68, // ]).{.  xlatMtlSh
-	0x61, 0x64, 0x65, 0x72, 0x4f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x20, 0x5f, 0x6d, 0x74, 0x6c, 0x5f, // aderOutput _mtl_
-	0x6f, 0x3b, 0x0a, 0x20, 0x20, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x20, 0x74, 0x6d, 0x70, 0x76, // o;.  float4 tmpv
-	0x61, 0x72, 0x5f, 0x31, 0x20, 0x3d, 0x20, 0x30, 0x3b, 0x0a, 0x20, 0x20, 0x74, 0x6d, 0x70, 0x76, // ar_1 = 0;.  tmpv
-	0x61, 0x72, 0x5f, 0x31, 0x2e, 0x77, 0x20, 0x3d, 0x20, 0x31, 0x2e, 0x30, 0x3b, 0x0a, 0x20, 0x20, // ar_1.w = 1.0;.  
-	0x74, 0x6d, 0x70, 0x76, 0x61, 0x72, 0x5f, 0x31, 0x2e, 0x78, 0x79, 0x7a, 0x20, 0x3d, 0x20, 0x5f, // tmpvar_1.xyz = _
-	0x6d, 0x74, 0x6c, 0x5f, 0x69, 0x2e, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, // mtl_i.a_position
-	0x3b, 0x0a, 0x20, 0x20, 0x5f, 0x6d, 0x74, 0x6c, 0x5f, 0x6f, 0x2e, 0x67, 0x6c, 0x5f, 0x50, 0x6f, // ;.  _mtl_o.gl_Po
-	0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x3d, 0x20, 0x74, 0x6d, 0x70, 0x76, 0x61, 0x72, 0x5f, // sition = tmpvar_
-	0x31, 0x3b, 0x0a, 0x20, 0x20, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x5f, 0x6d, 0x74, 0x6c, // 1;.  return _mtl
-	0x5f, 0x6f, 0x3b, 0x0a, 0x7d, 0x0a, 0x0a, 0x00,                                                 // _o;.}...
+	0x56, 0x53, 0x48, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x10, 0x62, // VSH............b
+	0x67, 0x66, 0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x02, // gfx_clear_depth.
+	0x01, 0x00, 0x00, 0x01, 0x00, 0xee, 0x01, 0x00, 0x00, 0x23, 0x69, 0x6e, 0x63, 0x6c, 0x75, 0x64, // .........#includ
+	0x65, 0x20, 0x3c, 0x6d, 0x65, 0x74, 0x61, 0x6c, 0x5f, 0x73, 0x74, 0x64, 0x6c, 0x69, 0x62, 0x3e, // e <metal_stdlib>
+	0x0a, 0x23, 0x69, 0x6e, 0x63, 0x6c, 0x75, 0x64, 0x65, 0x20, 0x3c, 0x73, 0x69, 0x6d, 0x64, 0x2f, // .#include <simd/
+	0x73, 0x69, 0x6d, 0x64, 0x2e, 0x68, 0x3e, 0x0a, 0x0a, 0x75, 0x73, 0x69, 0x6e, 0x67, 0x20, 0x6e, // simd.h>..using n
+	0x61, 0x6d, 0x65, 0x73, 0x70, 0x61, 0x63, 0x65, 0x20, 0x6d, 0x65, 0x74, 0x61, 0x6c, 0x3b, 0x0a, // amespace metal;.
+	0x0a, 0x73, 0x74, 0x72, 0x75, 0x63, 0x74, 0x20, 0x5f, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x0a, // .struct _Global.
+	0x7b, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x20, 0x62, 0x67, 0x66, // {.    float4 bgf
+	0x78, 0x5f, 0x63, 0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x3b, 0x0a, 0x7d, // x_clear_depth;.}
+	0x3b, 0x0a, 0x0a, 0x73, 0x74, 0x72, 0x75, 0x63, 0x74, 0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, // ;..struct xlatMt
+	0x6c, 0x4d, 0x61, 0x69, 0x6e, 0x5f, 0x6f, 0x75, 0x74, 0x0a, 0x7b, 0x0a, 0x20, 0x20, 0x20, 0x20, // lMain_out.{.    
+	0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, 0x20, 0x67, 0x6c, 0x5f, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, // float4 gl_Positi
+	0x6f, 0x6e, 0x20, 0x5b, 0x5b, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x5d, 0x5d, 0x3b, // on [[position]];
+	0x0a, 0x7d, 0x3b, 0x0a, 0x0a, 0x73, 0x74, 0x72, 0x75, 0x63, 0x74, 0x20, 0x78, 0x6c, 0x61, 0x74, // .};..struct xlat
+	0x4d, 0x74, 0x6c, 0x4d, 0x61, 0x69, 0x6e, 0x5f, 0x69, 0x6e, 0x0a, 0x7b, 0x0a, 0x20, 0x20, 0x20, // MtlMain_in.{.   
+	0x20, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x33, 0x20, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, //  float3 a_positi
+	0x6f, 0x6e, 0x20, 0x5b, 0x5b, 0x61, 0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x28, 0x30, // on [[attribute(0
+	0x29, 0x5d, 0x5d, 0x3b, 0x0a, 0x7d, 0x3b, 0x0a, 0x0a, 0x76, 0x65, 0x72, 0x74, 0x65, 0x78, 0x20, // )]];.};..vertex 
+	0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x4d, 0x61, 0x69, 0x6e, 0x5f, 0x6f, 0x75, 0x74, 0x20, // xlatMtlMain_out 
+	0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, 0x6c, 0x4d, 0x61, 0x69, 0x6e, 0x28, 0x78, 0x6c, 0x61, 0x74, // xlatMtlMain(xlat
+	0x4d, 0x74, 0x6c, 0x4d, 0x61, 0x69, 0x6e, 0x5f, 0x69, 0x6e, 0x20, 0x69, 0x6e, 0x20, 0x5b, 0x5b, // MtlMain_in in [[
+	0x73, 0x74, 0x61, 0x67, 0x65, 0x5f, 0x69, 0x6e, 0x5d, 0x5d, 0x2c, 0x20, 0x63, 0x6f, 0x6e, 0x73, // stage_in]], cons
+	0x74, 0x61, 0x6e, 0x74, 0x20, 0x5f, 0x47, 0x6c, 0x6f, 0x62, 0x61, 0x6c, 0x26, 0x20, 0x5f, 0x6d, // tant _Global& _m
+	0x74, 0x6c, 0x5f, 0x75, 0x20, 0x5b, 0x5b, 0x62, 0x75, 0x66, 0x66, 0x65, 0x72, 0x28, 0x30, 0x29, // tl_u [[buffer(0)
+	0x5d, 0x5d, 0x29, 0x0a, 0x7b, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x78, 0x6c, 0x61, 0x74, 0x4d, 0x74, // ]]).{.    xlatMt
+	0x6c, 0x4d, 0x61, 0x69, 0x6e, 0x5f, 0x6f, 0x75, 0x74, 0x20, 0x6f, 0x75, 0x74, 0x20, 0x3d, 0x20, // lMain_out out = 
+	0x7b, 0x7d, 0x3b, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x6f, 0x75, 0x74, 0x2e, 0x67, 0x6c, 0x5f, 0x50, // {};.    out.gl_P
+	0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x3d, 0x20, 0x66, 0x6c, 0x6f, 0x61, 0x74, 0x34, // osition = float4
+	0x28, 0x69, 0x6e, 0x2e, 0x61, 0x5f, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x78, // (in.a_position.x
+	0x79, 0x2c, 0x20, 0x5f, 0x6d, 0x74, 0x6c, 0x5f, 0x75, 0x2e, 0x62, 0x67, 0x66, 0x78, 0x5f, 0x63, // y, _mtl_u.bgfx_c
+	0x6c, 0x65, 0x61, 0x72, 0x5f, 0x64, 0x65, 0x70, 0x74, 0x68, 0x2e, 0x78, 0x2c, 0x20, 0x31, 0x2e, // lear_depth.x, 1.
+	0x30, 0x29, 0x3b, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x6f, // 0);.    return o
+	0x75, 0x74, 0x3b, 0x0a, 0x7d, 0x0a, 0x0a, 0x00, 0x01, 0x01, 0x00, 0x10, 0x00,                   // ut;.}........
 };
 extern const uint8_t* vs_clear_pssl;
 extern const uint32_t vs_clear_pssl_size;

src/vs_clear.sc

@@ -7,7 +7,9 @@ $input a_position
 
 #include "bgfx_shader.sh"
 
+uniform vec4 bgfx_clear_depth;
+
 void main()
 {
-	gl_Position = vec4(a_position, 1.0);
+	gl_Position = vec4(a_position.xy, bgfx_clear_depth.x, 1.0);
 }